When you involuntarily make a "meep" like noise while cuddling with a person. This is generally caused by loving the person so much that your pretty much just can't control it. Some sticky residue may secrete from genitals as well. If so, this is sad, but at least your sensitive.

The exquisite feeling of laying down with a partner who feels extremely comfortable to lay with. Usually occurs within the first few minutes of laying down while your bodies begin to warm up. Most occur because you are in love with someone and your bodies fit together like a puzzle piece. Researchers have found that most cuddle-gasms are vocalized by a small whimper from the female or the "ahhh" sound from the man.

Tim: Hey do you hear those noises coming from Monica's room?
George: Yeah.. It's just Monica and her boyfriend, they practice abstinence but they always have cuddle-gasms.